Mathematics, 24.03.2021 14:00 reyescarlosivan0

I bought a pack of 100 rectangular index cards. Each card measured 15 cm by 10 cm. The pack said: paper density=200gsm (grams per square metre). This means that a square metre of these cards weighs 200 g. All the cards in the pack are placed flat on a table without overlap. In square metres, what is the total area of the table covered by the cards?

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I bought a pack of 100 rectangular index cards. Each card measured 15 cm by 10 cm. The pack said: pa...